2002•Unpublished venueRequires access

Determination of Trace Chromium(VI) In Water By Catalytic Polarography

Jiang Gui

Abstract

In the modium of diaminoethane,Chromium(Ⅵ)and nitronatrium produce a sensitive catalytic polarographic wave.The wave peak is sharp,and the wave shape is fine,the peak potential is at 1.66V(vs,SCE),the lower detection limit is 0.005μg/L,When the Chromium(Ⅵ) concentration range within 0.01-20μg/L,it is linear with peak height.This method is used in determination of trace Chromium(Ⅵ) in water.The result is satisfactory.

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Key concepts: Polarography, Chromium, Detection limit, TRACE (psycholinguistics), Chemistry, Linear range, Analytical Chemistry (journal), Catalysis